Chemistry The percentage of Nitrogen in Air is 0.94 78.03 0.03 85.02 0.94 78.03 0.03 85.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Polycyclic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polycyclic hydrocarbons Carbon monoxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Siderite Haematite Limonite Magnetite Siderite Haematite Limonite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains A salt solution A corrosive liquid An alkaline liquid An acidic liquid A salt solution A corrosive liquid An alkaline liquid An acidic liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
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